{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Subject.Gender", "Treatment.Dosage", "Subject.Population", "Subject", "Combination.Drug", "Treatment.Route", "Subject.Age", "Treatment", "Treatment.Duration", "Treatment.Disorder", "Subject.Race", "Treatment.Freq", "Treatment.Drug", "Subject.Disorder", "Treatment.Time_elapsed"]}], "input": "The occurrence of symptoms that could be ascribed to an acute coronary syndrome should always be taken seriously during the first rituximab infusion and investigated aggressively."}
{"potential therapeutic event": []}